datetimebox赋值或取值
$('#j_dateStart').datebox('setValue', ""); //赋予空值
$("#j_dateStart").datebox("getValue"); //获取值
<input class="easyui-datetimebox" name="operDateStart" id="j_dateStart" data-options="editable:false" style="width:150px">
<!--条件检索-->
<div data-options="region:'north',title:'搜索条件',split:true,border:false,collapsed:true" style="height: 108px; overflow: hidden;">
<form id="searchForm">
<table class="tableForm datagrid-toolbar" style="text-align: right; font-weight: bold;">
<tr>
<td style="width:100px;"><label>标题:</label></td>
<td><input name="hTitle" style="width: 308px;" /></td>
<td></td>
<td></td>
</tr>
<tr>
<td style="width:100px;"><label>操作日期:</label></td>
<td>
<input class="easyui-datetimebox" name="operDateStart" data-options="editable:false" style="width:144px">
<label>至</label>
<input class="easyui-datetimebox" name="operDateEnd" data-options="editable:false" style="width:144px">
</td>
<td style="width:40px;"></td>
<td align="left">
<a href="javascript:void(0);" class="easyui-linkbutton" data-options="iconCls:'fa fa-search'" onclick="SearchFilter();">搜索</a>
<a href="javascript:void(0);" class="easyui-linkbutton" data-options="iconCls:'fa fa-undo'" onclick="ClearSearch();">清空</a>
</td>
</tr>
</table>
</form>
</div>
多条件查询
<div data-options="region:'north',title:'搜索条件',split:true,border:false,collapsed:true" style="height: 115px; overflow: hidden;">
<form id="searchForm">
<table class="tableForm datagrid-toolbar" style="font-weight: bold;">
<tr>
<td colspan="">姓名:<input name="name" id="j_name" style="width:150px" /> 性别:<input name="sex" id="j_sex" style="width:150px" /> 宿舍楼:<input name="romNumber" id="j_romNumber" style="width:150px" /></td>
</tr>
<tr>
<td>操作日期:</td>
<td style="width:400px;">
<input class="easyui-datetimebox" name="operDateStart" id="j_dateStart" data-options="editable:false" style="width:150px">
至
<input class="easyui-datetimebox" name="operDateEnd" id="j_dateEnd" data-options="editable:false" style="width:150px">
</td>
<td>
<a href="javascript:void(0);" class="easyui-linkbutton" data-options="iconCls:'fa fa-search'" onclick="SearchFilter();">搜索</a>
<a href="javascript:void(0);" class="easyui-linkbutton" data-options="iconCls:'fa fa-undo'" onclick="ClearSearch();">清空</a>
</td>
</tr>
</table>
</form>
</div>